Lubricating system for engines.



E, GRBER. LUBRICATING SYSTEM FOR ENGINES. APPT ATIoN FILED JAN. 3o, 1911.

.Patented Bec. 19, $11.

EMANUEL GERBER, OF KANSAS CITY, MISSOURI.

LUBRICATING- SYSTEM FOR ENGINES.

Specification of LettersPatcnt.

Patented Dec. 19, 1911.

Application filed January 30, 1911... Serial No. 605,508.

ro all whom it 'may concern:

Be it known that I, EMANUEL Gennari, a citizen of the United States, residing at Kansas City, in the county of Jackson and State of Missouri, have invented certain new and useful mprovenients in Lubricating Systems i'or Engines; and l do declare the following to he a full, clear, and exact descri tion of the invention such as will enable others skilled in the art to which it appertanis to make and use the same.

This invention relates to improvements 1n lubricating systems for engines whereby the piston and crank pins are automatically lubricated without wasting the oil or permitting the escape of niuchi any of the same into the cylinder or crank case and the consequent intermixing or' this' oil with the explosive iluid oi' the engine, or the fouling ot the spark plugs and consequent mistiring of. the latter.

1With the foregoing and other objects in View, the invention consists of certainnovel features ot construction, combination and c ranged in the piston is the usual transverse piston pin -ft to which is pivotally connected the inner end of a hollow7 piston rod 5, said rod being pivotally connected at its outer end to the crank pin 6in the usual or any suitable manner.

1n one side of the water jacket and cylinder is secured the tubular stem of an oil cup T which may be of any suitable construction and which communicates with the interior et the cylinder through an inlet port 8. On

' the inner side of the piston is formed an inwardly projecting boss 9 through which and through .the adjacent side of the piston isformed an oil inlet port 10, the outer end of which 'is adapted to be brought into alinernent with the port 8 in the side of the cylihdenasthe piston'is reciprocated, thus per- .of the piston pin.

mitting the oil to flow into the the oil cup.

On one side of the hub at the inner end of the tubular piston rod is formed a segmental projection or boss 11 the outer surface of which is concentric with the center of the piston pin. In the center otl the projection 11 is formed a socketor recess 12 in the inner end of which and communicating with the bearing passage of the hub is an oil pas sage 13. Arranged on the outer surface of the projection 11 between the same and the curved inner side of the boss 9 is a curved contact or wear plate 14 having formed therein a passage l which is adapted to engage or register with the port 10 in the boss 9.

On the inner side of the plate 14 is formed a tubular shank 16 which is slidably en-l aged with the socket 12. In the tubular s 'iank 16 and engaged with the inner end of the socket 12 is a coiled spring 17 the pres sure of which is exerted to force the wear port 10 .from

plate 11i outwardly and to hold the same in.

a yielding engagement with the curved inner end of the boss 9 as the plate is rocked by the swinging movement of the piston rod when the latter' and the piston are reciprocated. By thus varranging the wear plate a practically oil tight connection 'is providedv between the hub of the piston rod and the inner end of the boss 9 and any wear of these parts is taken up.

1n the hub of the piston rod is formed a curved oil inlet port or passage `18 which connects the socket 12 with the tubular body portion of the piston rod, whereby the oil passing into the socket through the passage in the Wear plate and through the tubular shank 1G thereof is conducted to the tubular body of the piston rod. In 4the hub of the piston rod and commu. icating with the bearing of t-he piston pin 'i's an oil discharge port 19 through which and through the passage 13 the oil is fed to the bearing In the crank pin hub 20 at the opposite end of the piston rod is formed an oil discharge port 21 through which the oil from the tubular body of the piston rod is fed to the bearing of the crank pin. By this arrangement of the oil discharge ports in the hubs of the piston rod the bearings or pivotal. connections of the latte'f will be automatically kept lubricated Without waste of oi1.

From the foregoing description, taken in connection With the accompanying drawings, the construction and operation of the invention VWill be readily understood Without requiring a' more extended explanation.

Various changes in the forni, proportion and the minor details of construct-ion may be resorted to Without departing from the principle or sacrilicing any of the advantages of this invention, as deiined in the appended claims. p tilfaving thus described my invention, what l claim is:

l` In a lubricating system for engines, the combination with an engine cylinder having an oil passage extending transversely through one side ivall thereof, of an oil cup eon'ununicating with said passage, a piston mounted to reciprocate in said cylinder in a plane at righmangles to said passage, a laterally extending boss formed on the inner .tace oi one side Wall of said piston, said boss and piston having an oil duct adapted to be brought into alincuient with the oil passage of the cylinder, a journal on said piston, piston pin arranged in said jour; nal, a vtubular piston rod pivotally con-- ncctcd to said piston, said piston rod havingl oil ports and passages arranged to cominunicate with the crank pin and piston pin journal, and means ivhereloj7 said tubular ii on rod and the oilpassage ot said boss are brought into coinnuinication.

lu a lubricating system for engines, the combination with an engine cylinder having an oil passage extending transversely miami through one side Wall thereof, lan oil cup communicating with said passage, a piston mounted to reciprocate in said cylinder and.

having an aperture in one side Wall. adapted to be brought int-o alinement With the oil passage in said cylinder, a laterally extendn ing tubular boss formed on the inner tace of said piston and communicating With the aperture therein, a ournal arranged in said piston, a piston pin mounted in said journal, a tubular piston rod having a hub on its inner end and oil ports at its other end ar ranged to communicate .With the crank pin, a segmental projection formed on one side of said hub and having a socket therein, said hub having an oil duct connecting said socket with said tubular piston r'od, a Wear plate arranged between said projection and the inner end of said boss, said plate hav ing a tubular shank formed thereon and eX- tending into; said socket, the outer face of said plate being convex and the outer end of said boss concave to adapt them to iit closely together and to permit the plate to turn relatively to said boss, and a coiled spring arranged in the t'iloular shank ofsaid plate and engaging the bottom of said socket.

In testimony whereof:I I have hereunto s et in v hand in presence of two subscribing wit nesses.

EMNUEL GERBER.

Witnesses FREDERICK Kenntnis, CLARENCE A. GALLOWAY. 

